Finding the Third Proportional to 1,331,118 and 2,173,371

Step by Step Solution

1. Step 1: Write the proportion equation
   1,331,118 : 2,173,371 = 2,173,371 : x
2. Step 2: Convert to fraction form
   1,331,118/2,173,371 = 2,173,371/x
3. Step 3: Cross multiply
   1,331,118x = 2,173,371 × 2,173,371
4. Step 4: Simplify right side
   1,331,118x = 4,723,541,503,641
5. Step 5: Solve for x
   x = 4,723,541,503,641/1,331,118
6. Step 6: Final answer
   x = 3,548,552.05